[INFO] cloning repository https://github.com/awesomewhy/rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awesomewhy/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawesomewhy%2Frust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawesomewhy%2Frust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e605ed1c7f44730f7fd5767c2a28463ce8bf63b [INFO] building awesomewhy/rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawesomewhy%2Frust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/awesomewhy/rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/awesomewhy/rust [INFO] finished tweaking git repo https://github.com/awesomewhy/rust [INFO] tweaked toml for git repo https://github.com/awesomewhy/rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/awesomewhy/rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 826e09edc65c1730aedc84ae241d3135cfbc91f56926d003d37e81453e9c0938 [INFO] running `Command { std: "docker" "start" "-a" "826e09edc65c1730aedc84ae241d3135cfbc91f56926d003d37e81453e9c0938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "826e09edc65c1730aedc84ae241d3135cfbc91f56926d003d37e81453e9c0938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "826e09edc65c1730aedc84ae241d3135cfbc91f56926d003d37e81453e9c0938", kill_on_drop: false }` [INFO] [stdout] 826e09edc65c1730aedc84ae241d3135cfbc91f56926d003d37e81453e9c0938 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c7d781f1ad4f762a3dc5c313f237277c2dabb126d557aa976564454bc5fe79fd [INFO] running `Command { std: "docker" "start" "-a" "c7d781f1ad4f762a3dc5c313f237277c2dabb126d557aa976564454bc5fe79fd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling kek v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt` [INFO] [stdout] --> src/main.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fmt, fs}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qweqwe` [INFO] [stdout] --> src/ky.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let qweqwe= MySt::some(qstruct); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_qweqwe` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | fn name(arg: u32) -> i32 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting_file` [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let greeting_file = File::open("hello.txt"); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `asd` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let asd = 3234; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_asd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `username_file` [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut username_file = File::open("hello.txt")?.read_to_string(&mut username); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut username_file = File::open("hello.txt")?.read_to_string(&mut username); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lol` is never constructed [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Lol { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Lol { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 17 | fn new(qwe: u32, asd: u32) -> Lol { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `last_char_of_first_line` is never used [INFO] [stdout] --> src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn last_char_of_first_line(text: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `name` is never used [INFO] [stdout] --> src/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn name(arg: u32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `qwe_as` is never used [INFO] [stdout] --> src/main.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn qwe_as() -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `qwe` is never used [INFO] [stdout] --> src/main.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn qwe() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MySt` is never constructed [INFO] [stdout] --> src/ky.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct MySt { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `some` is never used [INFO] [stdout] --> src/ky.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl MySt { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 11 | fn some(self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/ky.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "c7d781f1ad4f762a3dc5c313f237277c2dabb126d557aa976564454bc5fe79fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7d781f1ad4f762a3dc5c313f237277c2dabb126d557aa976564454bc5fe79fd", kill_on_drop: false }` [INFO] [stdout] c7d781f1ad4f762a3dc5c313f237277c2dabb126d557aa976564454bc5fe79fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0df11be8bd6300536c008e1644d3403e17cf9cd3a12ed854144f388c8bac8e88 [INFO] running `Command { std: "docker" "start" "-a" "0df11be8bd6300536c008e1644d3403e17cf9cd3a12ed854144f388c8bac8e88", kill_on_drop: false }` [INFO] [stderr] Compiling kek v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt` [INFO] [stdout] --> src/main.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fmt, fs}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qweqwe` [INFO] [stdout] --> src/ky.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let qweqwe= MySt::some(qstruct); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_qweqwe` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | fn name(arg: u32) -> i32 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting_file` [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let greeting_file = File::open("hello.txt"); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `asd` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let asd = 3234; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_asd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `username_file` [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut username_file = File::open("hello.txt")?.read_to_string(&mut username); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut username_file = File::open("hello.txt")?.read_to_string(&mut username); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lol` is never constructed [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Lol { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Lol { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 17 | fn new(qwe: u32, asd: u32) -> Lol { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `last_char_of_first_line` is never used [INFO] [stdout] --> src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn last_char_of_first_line(text: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `name` is never used [INFO] [stdout] --> src/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn name(arg: u32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `qwe_as` is never used [INFO] [stdout] --> src/main.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn qwe_as() -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `qwe` is never used [INFO] [stdout] --> src/main.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn qwe() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MySt` is never constructed [INFO] [stdout] --> src/ky.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct MySt { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `some` is never used [INFO] [stdout] --> src/ky.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl MySt { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 11 | fn some(self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/ky.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "0df11be8bd6300536c008e1644d3403e17cf9cd3a12ed854144f388c8bac8e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0df11be8bd6300536c008e1644d3403e17cf9cd3a12ed854144f388c8bac8e88", kill_on_drop: false }` [INFO] [stdout] 0df11be8bd6300536c008e1644d3403e17cf9cd3a12ed854144f388c8bac8e88